Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/include/linux/usb/composite.h b/include/linux/usb/composite.h
index 3d29a7d..882a084 100644
--- a/include/linux/usb/composite.h
+++ b/include/linux/usb/composite.h
@@ -188,7 +188,7 @@
  * @bind() method is then used to initialize all the functions and then
  * call @usb_add_function() for them.
  *
- * Those functions would normally be independant of each other, but that's
+ * Those functions would normally be independent of each other, but that's
  * not mandatory.  CDC WMC devices are an example where functions often
  * depend on other functions, with some functions subsidiary to others.
  * Such interdependency may be managed in any way, so long as all of the